Does such a site exist? There are plenty of sites for restaurant reviews, and I would have thought deciding which building company to go with would be much more an important decision than deciding where to go out for dinner.
It could be replaced with the BP8 Battery pack. The batteries will probably have crusty white stuff on the positive ends. Fineprint company case even bother trying to zap them. It uses two AA-sized NiCd battery without a converter circuit. Find a 14 picture photoseries of a successful BP6 restauration here.
First crack open the pack by using a butter knife or similar instrument at the catches along the seam. You will see a pair of AA-sized NiCd's and a small circuit board. This is a DC-DC convertor which boosts the 2. Inspect the circuit board for corrosion and other obvious damage.
Unless the calculator was stored in a damp area, it should be fine. Otherwise you need a replacement board. As a test, you can do either or both of the following: Get a large electrolytic capacitor e.
Operations will be a bit flakey but should basically work the capacitor, no matter how large, apparently will not substitute for the NiCd's. Unplug the TI battery pack and set it aside. Find a 9 V power supply or a 9V battery.
Connect this to the red and black wires coming from the logic board connector which went to the battery pack. Black is positive for some reason. However, nothing disasterous happens if you connect it backwards as far as I can tell since I was testing it backwards for quite a while until I caught on.
And, I thought TI was a real company!
If these tests are successful, the calculator is likely fine and you just need a new set of AA-sized NiCd's with solder tabs to make it as good as new. In case of difficulties refer to the BP7 description. A replacement board could be found here. This article is based on information written by Samuel M.
Find more useful information like this one here. If you have additions to the above article please email: Goldwasser and Joerg Woerner, December 25, No reprints without written permission.Company Info.
Sundance Vacations. Finley Road. Downers Grove, IL For more information on Sundance, visit their website, blog (where you can find some of my writing!), Facebook, or Twitter.. Have you won a Sundance Vacation trip?
How to Repair a Battery Pack.
The first calculators manufactured by Texas Instruments used standard AA-sized NiCd rechargable batteries. Replacement of bad NiCd's of your Datamath or SR is very easy, dozens of companies sell them even today. Welcome to Builder Reviews.
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Blues Harmonica Ace James Harman hit # 1 on the Living Blues Radio Chart with his Electro-Fi debut Bonetime in , not to mention 5 Blues Music Award nominations.
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